Sock



FIG. 1 is a front perspective view of a sock of the present invention showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a rear view thereof.

In the drawings, the broken lines depict environmental subject matter only that forms no part of the claim. 

CLAIM I claim the ornamental design for a sock, as shown and described. 